import { Dispatch } from 'react';
import MenuEntryDescription from './MenuEntryDescription';
/**
 * The state managed by the menu.
 */
export interface State {
    menu: MenuEntryDescription[][];
    pendingAction?: string | (() => void);
}
/**
 * Type of actions which can be applied to the state.
 */
declare const enum ActionType {
    SelectEntry = 0,
    AddEntry = 1,
    RemoveEntry = 2,
    CleanAction = 3
}
/**
 * Select menu entry action.
 */
interface SelectEntryAction {
    type: ActionType.SelectEntry;
    target: EventTarget & HTMLElement;
    payload: MenuEntryDescription['action'];
}
/**
 * Build an action to select a menu entry.
 *
 * @param target - The target of the menu event.
 * @param action - The action to be executed by the menu entry.
 * @returns The corresponding action.
 */
export declare function selectEntry(target: EventTarget & HTMLElement, action: MenuEntryDescription['action']): SelectEntryAction;
/**
 * Add menu entry action.
 */
interface AddEntryAction {
    type: ActionType.AddEntry;
    payload: MenuEntryDescription;
}
/**
 * Build an action to add a menu entry.
 *
 * @param description - The menu entry description.
 * @returns The corresponding action.
 */
export declare function addEntry(description: MenuEntryDescription): AddEntryAction;
/**
 * Remove menu entry action.
 */
interface RemoveEntryAction {
    type: ActionType.RemoveEntry;
    payload: MenuEntryDescription;
}
/**
 * Build an action to remove a menu entry.
 *
 * @param reference - The reference on the entry to remove (must be the same object as used to add the menu
 * entry).
 * @returns The corresponding action.
 */
export declare function removeEntry(reference: MenuEntryDescription): RemoveEntryAction;
/**
 * Clean the pending action action.
 */
interface CleanActionAction {
    type: ActionType.CleanAction;
}
/**
 * Build an action to clean the pending action.
 *
 * @returns The corresponding action.
 */
export declare function cleanAction(): CleanActionAction;
/**
 * The reducer actions.
 */
export declare type Action = SelectEntryAction | AddEntryAction | RemoveEntryAction | CleanActionAction;
/**
 * The reducer function. Treat all actions to update the state.
 *
 * @param state - The initial state.
 * @param action - The action to be executed.
 * @returns The new state.
 */
export declare function reducer(state: State, action: Action): State;
export declare const context: import("react").Context<[State, Dispatch<Action>] | undefined>;
export {};